IonQ and Alphabet represent two opposite ends of the quantum computing investment spectrum.Quantum computing is emerging as the next big investment trend, although we're still a few years out from seeing commercially viable quantum computing. As a result, investors are wondering what the best approach to quantum computing is.There are publicly traded quantum computing investments, like IonQ (IONQ 5.63%), that have massive upside if they work out. However, they also come with big risks if their technology is ...